text: As of 14 p.m. on May 27, Hanoi recorded 154 community infections in its fourth outbreak?
classes:  No, most of the patients among Hanoi's 154 new infections have dense travel schedules making it difficult to trace.  Also, most of the patients among Hanoi's 154 new infections have dense travel schedules making it difficult to trace.  Yes, most of the patients among Hanoi's 154 new infections have dense travel schedules making it difficult to trace.